Question 8: A terminal voltage for DC shunt motor is 230V and the armature resistance of 1 Q and field resistance of 1500. If the full load armature current is 20A, find the induced emf, field current and power losses.
Question 8: A terminal voltage for DC shunt motor is 230V and the armature resistance of 1 Q and field resistance of 1500. If the full load armature current is 20A, find the induced emf, field current and power losses.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Transcribed Image Text:Question 8:
A terminal voltage for DC shunt motor is 230V and the armature resistance of 1 Q and field resistance
of 1502. If the full load armature current is 20A, find the induced emf, field current and power losses.
Question 9:
A four-pole DC motor has a coil winding of 450 turns. The flux per pole is 0.025 Wb. The DC
motor rotates at 2000 rpm.
_p z
1- Determine the motor constant K-
πα.
2- Determine the induced emf voltage,
3- Determine the developed power kW rating if the armature turn is 15 A.
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